aws_cloud

type AWSCloud struct {
	// contains filtered or unexported fields
}

type AWSCloudConfig struct {
	Global struct {
		// TODO: Is there any use for this?  We can get it from the instance metadata service
		Zone string
	}
}

type AWSMetadata interface {
	// Query the EC2 metadata service (used to discover instance-id etc)
	GetMetaData(key string) ([]byte, error)
}

type AuthFunc func() (auth aws.Auth, err error)

type EC2 interface {
	// Query EC2 for instances matching the filter
	Instances(instIds []string, filter *ec2InstanceFilter) (resp *ec2.InstancesResp, err error)

	// Attach a volume to an instance
	AttachVolume(volumeID string, instanceId string, mountDevice string) (resp *ec2.AttachVolumeResp, err error)
	// Detach a volume from whatever instance it is attached to
	// TODO: We should specify the InstanceID and the Device, for safety
	DetachVolume(volumeID string) (resp *ec2.SimpleResp, err error)
	// Lists volumes
	Volumes(volumeIDs []string, filter *ec2.Filter) (resp *ec2.VolumesResp, err error)
	// Create an EBS volume
	CreateVolume(request *ec2.CreateVolume) (resp *ec2.CreateVolumeResp, err error)
	// Delete an EBS volume
	DeleteVolume(volumeID string) (resp *ec2.SimpleResp, err error)
}

type VolumeOptions struct {
	CapacityMB int
}

type Volumes interface {
	// Attach the disk to the specified instance
	// instanceName can be empty to mean "the instance on which we are running"
	// Returns the device (e.g. /dev/xvdf) where we attached the volume
	AttachDisk(instanceName string, volumeName string, readOnly bool) (string, error)
	// Detach the disk from the specified instance
	// instanceName can be empty to mean "the instance on which we are running"
	DetachDisk(instanceName string, volumeName string) error

	// Create a volume with the specified options
	CreateVolume(volumeOptions *VolumeOptions) (volumeName string, err error)
	DeleteVolume(volumeName string) error
}